Coelidiinae

Dohrn, 1859

Tribe Guides

Coelidiinae is a of leafhoppers (Cicadellidae) containing over 1,400 arranged in 10 tribes. The subfamily has a global distribution with particularly high diversity in the Neotropics and Indo-Malayan regions. Many species remain poorly known biologically, with currently the primary focus of research.

Coelidiinae by (c) portioid, some rights reserved (CC BY), uploaded by portioid. Used under a CC-BY license.

Pronunciation

How to pronounce Coelidiinae: //sɛˌlɪdɪˈaɪniː//

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

Coelidiinae leafhoppers are distinguished from other cicadellid primarily by male genitalic characters, particularly the structure of the and associated processes. Tribal-level classification relies on features of the , pronotum, and male genitalia. identification requires examination of male terminalia; keys to and species are available for several tribes including Coelidiini, Teruliini, and Thagriini.

Images

Distribution

Global distribution encompassing all major biogeographic regions. Tribes show distinct patterns: Coelidiini occurs on most continents; Teruliini and Tinobregmini are primarily Neotropical; Thagriini is restricted to South, East, and Southeast Asia; Tharrini ranges from Southeast Asia to Australia; Hikangiini occurs in Central and West Africa; Macroceratogoniini is to Australia; Gabritini and Sandersellini are Neotropical with Gabritini extending to the Guianas and Brazil; Youngolidiini has African and Neotropical representatives.

Human Relevance

Some in the tribe Coelidiini are associated with transmission in economically important plants. The Indian subcontinent species have been cited in literature as of spike disease in sandalwood (Santalum album), though this association derives from historical literature references rather than recent experimental confirmation.

Similar Taxa

CicadellinaeBoth are of Cicadellidae with similar body plans; distinguished by male genitalic , particularly aedeagal structure and presence/absence of specific processes on the genital capsule.
DeltocephalinaeOverlaps in general leafhopper ; Coelidiinae typically lacks the enlarged hind and specific wing venation patterns characteristic of many Deltocephalinae, and male genitalic characters differ markedly.

More Details

Tribal classification

The contains 10 tribes: Coelidiini, Gabritini, Hikangiini, Macroceratogoniini, Sandersellini, Teruliini, Thagriini, Tharrini, Tinobregmini, and Youngolidiini. Several tribes are monogeneric (Gabritini, Macroceratogoniini, Sandersellini). The tribe Teruliini is exceptionally diverse in the Neotropics, with the Docalidia alone containing over 170 .

Taxonomic activity

Coelidiinae is currently subject to intensive taxonomic revision, with numerous new described annually. Recent monographs have focused on the Indian subcontinent (Coelidiini), Neotropical region (Teruliini), and China (Thagriini). Many remain poorly defined and await comprehensive revision.